563770385 has 16 divisors (see below), whose sum is σ = 685048320. Its totient is φ = 445358400.

The previous prime is 563770379. The next prime is 563770409. The reversal of 563770385 is 583077365.

It is not a de Polignac number, because 563770385 - 2¹⁰ = 563769361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220424 + ... + 222966.

It is an arithmetic number, because the mean of its divisors is an integer number (42815520).

Almost surely, 2^563770385 is an apocalyptic number.

It is an amenable number.

563770385 is a deficient number, since it is larger than the sum of its proper divisors (121277935).

563770385 is a wasteful number, since it uses less digits than its factorization.

563770385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 563770385 is about 23743.8494141114. The cubic root of 563770385 is about 826.1027848063.

The spelling of 563770385 in words is "five hundred sixty-three million, seven hundred seventy thousand, three hundred eighty-five".